commit 77aecb8a97d9bbd77d64c85246ede4e5246accde
author Raghavendar rao l <quic_rlomte@quicinc.com> Wed Aug 17 12:25:03 2022 +0530
committer Gerrit - the friendly Code Review server <code-review@localhost> Wed Aug 31 11:08:05 2022 -0700
tree fe9b1daa2d5e60f653e83a71350dc4d521e6da58
parent d0da0dd1481ca166408b34c5f09a460f0dad6c63

msm: ipa3: Adding version check while accessing register

Added version check to access COAL_MASTER_CFG register, as this
is needed for 5.5 and above target.

Change-Id: Ic5a50bb8e5cf02609e8a01478d1e6419dc8e3c62
Signed-off-by: Raghavendar rao l <quic_rlomte@quicinc.com>

drivers/platform/msm/ipa/ipa_v3/ipa_utils.c

diff --git a/drivers/platform/msm/ipa/ipa_v3/ipa_utils.c b/drivers/platform/msm/ipa/ipa_v3/ipa_utils.c
index 8aef35c..5a93158 100644
--- a/drivers/platform/msm/ipa/ipa_v3/ipa_utils.c
+++ b/drivers/platform/msm/ipa/ipa_v3/ipa_utils.c
@@ -7533,15 +7533,17 @@
 	}
 
 	/* Configure COAL_MASTER_CFG */
-	memset(&master_cfg, 0, sizeof(master_cfg));
-	ipahal_read_reg_fields(IPA_COAL_MASTER_CFG, &master_cfg);
-	master_cfg.coal_ipv4_id_ignore = ipa3_ctx->coal_ipv4_id_ignore;
-	ipahal_write_reg_fields(IPA_COAL_MASTER_CFG, &master_cfg);
+	if(ipa3_ctx->ipa_hw_type >= IPA_HW_v5_5) {
+		memset(&master_cfg, 0, sizeof(master_cfg));
+		ipahal_read_reg_fields(IPA_COAL_MASTER_CFG, &master_cfg);
+		master_cfg.coal_ipv4_id_ignore = ipa3_ctx->coal_ipv4_id_ignore;
+		ipahal_write_reg_fields(IPA_COAL_MASTER_CFG, &master_cfg);
 
-	IPADBG(
-		": coal-ipv4-id-ignore = %s\n",
-		master_cfg.coal_ipv4_id_ignore ?
-		"True" : "False");
+		IPADBG(
+			": coal-ipv4-id-ignore = %s\n",
+			master_cfg.coal_ipv4_id_ignore ?
+			"True" : "False");
+	}
 
 	ipa_comp_cfg();